WO2019056962A1

WO2019056962A1 - Hand-held electric scooter

Info

Publication number: WO2019056962A1
Application number: PCT/CN2018/104983
Authority: WO
Inventors: 张箭
Original assignee: 伟芝延电子科技(上海)有限公司
Priority date: 2017-09-22
Filing date: 2018-09-11
Publication date: 2019-03-28
Also published as: CN109552515A

Abstract

A hand-held electric scooter, wherein a pedal (1), a front wheel bracket (2), a transition portion (3) connecting the pedal and the front wheel bracket, and a rear wheel fixing bracket (4) of the hand-held electric scooter are one piece, and the four parts are fabricated at one time by means of molds. The described hand-held electric scooter is of an integrated frame, which eliminates a welding and screw fixing structure for all components on the frame. The space in the transition portion is fully used to install a driver, thus allowing the pedal to save space for more battery packs and increasing the mileage of the scooter.

Description

Hand-held electric scooter

Technical field

The invention relates to a walking tool, and relates to the technical field of scooters, in particular to a hand-held electric scooter.

Background technique

The hand-held electric scooter is a new type of skateboarding after the traditional skateboarding. The hand-held electric scooter is very energy-saving, fast in charging and long in voyage capability. The whole vehicle is beautiful in appearance, convenient in operation and safe in driving. However, in the prior art, the hand-held electric scooter also has the following disadvantages:

A. At present, the four parts of the pedal, front wheel bracket, connecting pedal and front wheel strut transition part and rear wheel fixing bracket of the hand-held electric scooter frame are all assembled by welding and screw fixing. Figure 1. On the one hand, the excessive part between the pedal and the front wheel frame adopts a welded structure, which causes extremely inconvenient production, complicated process production, high technical requirements for the welding personnel, and disadvantageous to the welding personnel, and wastes huge labor. On the other hand, most of the prior art designs the folding system here. Here, the folding system is designed to have two situations: for folding, the folding system structure cannot be too tight, but the folding system will create a gap when riding. The handlebar and the frame will sway between each other, the riding feeling is very bad, there will be breakage after fatigue bumps, and even cause an accident; in order to avoid the above situation, the folding system needs to be tight, but the folding is difficult.

B. At present, most of the hand-held electric scooter pedals in the market are equipped with a battery and a driver in the same space, or both the battery and the driver are installed in the front handle. As shown in Figure 3. Both the driver and the battery are installed in the same space in the pedal, so that the drive takes up a lot of space on the pedal, leaving less space in the pedal for the battery, which results in a much smaller battery pack. Therefore, some of the designs on the market use a battery pack thickening scheme, which results in a thick pedal that affects the appearance. There are also some designs that use the pedal extension scheme, but the pedal strength is greatly reduced, the pedal is bent and deformed, the reliability is greatly reduced, and even an accident is caused.

C. At present, most of the hand-held electric scooter batteries on the market are sealed and installed inside the pedals during production and assembly. They are fixedly installed with the pedals and cannot be quickly disassembled. After the factory, the customer cannot quickly change the battery to increase the cruising range. In addition, if the battery pack has an abnormal problem, the replacement is extremely complicated; some also install the battery inside the walking rod, and the installation and after-sales maintenance are more complicated.

D. The ordinary wheels used in most hand-held electric scooters on the market are connected by two bearings passing through the center of the wheel and two fulcrums at the rear of the frame. As shown in Figure 7. Thus, the larger the diameter of the wheel, the longer the bracket on which the wheel is mounted on the rear of the pedal, and the weaker the strength.

E. At present, the wheels used in the hand-held electric scooters on the market are all the same type of wheels, so there is only one way to install the wheels, which is made by a shaft passing through the wheel center and fixed to the frame. The larger the diameter of the wheel, the weaker the strength of the drum and even the phenomenon of breakage. In addition, because there is only one way to install a traditional wheel, the flexibility of the design of the entire car is greatly limited.

F. At present, the hand-held electric scooter on the market adopts a disc brake system similar to a bicycle. It consists of a disc brake disc and a disc brake disc. The disc brake disc is mounted on the wheel. The disc brake disc is mounted on the frame and needs to be leaned against the frame. The wheels are fitted together. Disc brake discs, disc brakes and frame must be installed together with the joint adjustment. A deviation in size will affect the installation and affect the braking effect. If the disc brakes are not parallel to the wheel installation, the brakes will vibrate, reducing the life and reducing the ride comfort. The traditional brake system installation must consider the wheel, but also consider the frame structure, change the frame or change a wheel, the whole system needs to be re-fitted.

G. The hand-held electric scooter taillights on the market are designed on the rear fenders. They need to be connected by separate cables. The headlights are mounted on the walking rods. If the fenders are used for mechanical braking. If the fender vibrates during the braking process, it will increase the unreliability and even damage of the tail light.

H. The display instruments of the hand-held electric scooters on the market are all connected to the circuit board on the frame by cables on the handlebars or in the middle of the poles, and are not removable. If there is a problem with the cable or cable plug, the car cannot ride. In addition, rain can also cause damage to the display. The traditional hand-held electric scooter has only a power switch and no electronic lock function. Anyone can even ride a child, which is extremely unsafe.

Summary of the invention

The technical solution adopted by the present invention to solve the above technical problem is to provide a hand-held electric scooter, wherein the specific technical solution is:

The four parts of the pedal of the electric scooter, the front wheel bracket, the transition part of the connecting pedal and the front wheel strut, and the rear wheel fixing bracket are integrated.

Further, the four parts of the pedal, the front wheel bracket, the connecting pedal and the front wheel strut transition portion, and the rear wheel fixing bracket are manufactured by a mold at one time.

Further, a driver is placed in the space between the pedal and the front wheel bracket.

Further, a battery compartment is disposed under the tray, the battery module is detachably replaced in the battery compartment, and a cover is disposed above the battery compartment, and the cover and the pedal are sealed by an adhesive material.

Further, the wheel of the hand-held electric scooter adopts a hollow hub structure, the installation part of the hollow wheel hub adopts an eccentric design, and the hollow wheel hub and the frame are mounted with a two-hole mounting structure.

Further, the rear hub and the rear hub of the hand-held electric scooter are mounted at an angle to the frame, and the installation range of the front wheel of the eccentric hub is rotated counterclockwise from a horizontal position to a vertical position of 0° to 90°, and the eccentric hub The rear wheel is mounted from 0° to 90° from the vertical position counterclockwise to the vertical position.

Further, the hand-held electric scooter adopts a new mechanical brake system, which uses a wheel end cover as a disc brake disc, and the brake system is integrated on the wheel, which is independent of the frame.

Further, the headlights and taillights of the hand-held electric scooter are integrated on the front and rear hubs, respectively, and the harnesses of the headlights or taillights are combined with the motor harness.

Further, the front wheel bracket of the hand-held electric scooter is mounted with a special-shaped rod, and the display instrument is installed in a wireless detachable manner on the position of the pole on the special-shaped rod, and the display meter reads the data from the driver through the wireless transmission scheme and displays it on the meter. The display meter only has the display function and the electronic lock function, and does not participate in the control.

Further, an integrated shock absorber is disposed between the front wheel bracket and the special-shaped rod, and the bottom of the display instrument is designed with a buckle, and is detachably fixed on the pole by a buckle.

The present invention has the following beneficial effects as compared with the prior art:

1) The integrated frame eliminates the welding and screw fixing structure of all the components on the frame;

2) Make full use of the space in the transition between the pedal of the electric scooter and the front wheel bracket to install the driver, so that the pedal saves more space for putting more battery packs and increasing the mileage of the scooter;

3) Consumers can change battery modules freely and quickly, and at the same time, after-sales maintenance is more convenient;

4) use the new structure of the hub to increase the bearing capacity and impact resistance of the hub;

5) The adjustment of the installation angle of the hub through the new structure can meet the design requirements of the lower center of gravity of the pedal and the strength requirements of the body itself;

6) The new brake system is used to simplify the complexity of the brake system;

7) Integrate the headlights and rear lights on the hub to reduce system accessories and improve system stability;

8) Adopt portable display instrument with integrated electronic lock function.

DRAWINGS

Figure 1 is a schematic view showing the installation of a conventional scooter structural component.

2 is a schematic structural view of an integrated vehicle frame provided by the present invention.

3 is a schematic view of a prior art pedal-mounted battery.

4 is a schematic view showing the installation of a pedal, a front wheel bracket, and a driver provided by the present invention.

Figure 5 is a schematic view of a quick-disconnected battery installation.

Figure 6 is a schematic view of the structure of a novel hollow hub.

Fig. 7 is a structural schematic view of a conventional ordinary wheel.

Figure 8 is a schematic view showing the installation of the front wheel drum, the rear wheel hub and the frame provided by the present invention.

Figure 9 is a schematic illustration of a universal disc brake system.

Figure 10 is a schematic illustration of a new mechanical brake system.

Figure 11 is a schematic view showing the structure of the detachable display meter.

FIG. 12 is a schematic view showing the overall structure of a hand-held electric scooter provided by the present invention.

In the picture:

1 pedal 2 front wheel bracket 3 transition part 4 rear wheel fixing bracket 5 battery module 6 battery compartment 7 cover 8 driver 9 folding part 10 welding or screw fixing part 11 pedal cavity 12 mounting fixing hole 13 headlight 14 tail light 15 mounting and fixing Axis 16-disc brake seat 17 independent disc 18 integrated disc 19 display instrument 20 armrest 21 buckle 22 shaped rod 23 integrated shock absorption 24 transition part space 25 hollow hub motor

Detailed ways

The invention will now be further described with reference to the drawings and embodiments.

The invention provides a hand-held electric scooter, and the application of the invention is compared with the prior art:

With a frame-integrated design solution, the welding parts of the scooter structure parts and the complicated parts are solved. The integrated frame refers to the pedal 1, the front wheel bracket 2, the connecting pedal and the front wheel strut transition portion 3, and the rear wheel fixing bracket 4 as a whole, which is a part. As shown in Fig. 2, the integrated design is made into a whole and manufactured by a single mold. The structural advantage is that the appearance is simple, the strength is high, the structure is simple, the process is greatly reduced, and the production is convenient.

With the space inside the transition portion 2 of the pedal 1 and the front wheel bracket 2, a driver is placed instead of using the space on which the battery is placed on the pedal 1 to place the driver, as shown in FIG.

The battery on the pedal 1 adopts a quick disassembly and replacement scheme, which replaces the currently unremovable solution that the battery is integrated in the pedal 1. As shown in FIG. 5, all the spaces inside the pedal 1 are vacated for the battery module 5, and the battery compartment 5 can accommodate more battery modules 5, which greatly increases the mileage of the skateboard. It is also convenient for after-sales maintenance. A special bonding material is used between the cover 7 of the battery compartment 6 on the pedal 1 and the pedal 1 so that the cover can be quickly removed and covered for the purpose of both sealing and quick disassembly.

The wheel adopts a new hollow hub structure, which replaces the structure of the traditional ordinary wheel. As shown in Fig. 6, the installation position of the hollow hub adopts an eccentric design. The correct installation angle of the hub can make the bearing capacity of the hub stronger, and the brackets of the tail portion of the frame and the mounting portion of the hub can be designed to be shorter, and the strength of the tail of the frame is higher. The hub and frame are mounted with two mounting holes 12 for a simple and beautiful appearance.

The front wheel drum and the rear wheel hub are designed to have a certain angular range. Instead of the conventional wheel hub, there is only one installation method. The installation angle of the reasonable angle is selected, and the bearing strength of the wheel hub far exceeds the bearing strength of the conventional wheel. At the same time, the center of gravity of the pedal 1 can be designed lower than the center of gravity of the conventional scooter pedal. Moreover, the bearing strength is not affected by the diameter of the hub, and the hub diameter is designed to be large and does not weaken the bearing strength of the hub. The range of the installation angle of the eccentric hub protected by the present application: the front wheel rotates counterclockwise from the horizontal position (Fig. a) To the vertical position (Fig. b) in the range of 0° to 90°, the rear wheel rotates counterclockwise from the vertical position (Fig. c) to the vertical position (Fig. d) from 0° to 90°, such as Figure 8 shows.

A new mechanical brake system was designed to replace the disc brake system that is currently available on the market. The use of wheel end caps as disc brake discs saves both the number of components and the complexity of the brake system. The brake system is integrated on the wheel and is independent of the frame, no longer relying on the installation of the frame. The brake system is truly out of the frame. In this way, the entire brake system and the wheel are a whole system, which greatly simplifies the installation complexity of the brake system compared with the conventional brake system, and achieves the purpose of simple installation, reliable structure and low cost. As shown in Figure 9 and Figure 10.

The design adopts the headlights 13 and the taillights 14 to be integrated on the front and rear hubs, instead of the current hand-held electric scooters, which are separately designed for front and rear taillights, as shown in Fig. 6. The headlights 13 and the taillights 14 are integrated on the front and rear hubs respectively. It is no longer necessary to separately install the headlights and the taillights. The harness of the headlights 13 or the taillights 14 can be combined with the motor harness to reduce the length of the wiring harness inside the frame. The method is beautiful and greatly simplifies the routing method, and the system is more reliable.

This design replaces the non-removable display instrument solution currently on the market with a wireless detachable and convenient display instrument 19 which is itself an electronic lock. As shown in FIG. 11, the display device 19 reads data from the drive through the wireless transmission scheme and displays it on the meter. Only the display function and the electronic lock function do not participate in the control. The bottom of the display instrument 19 is designed with a buckle 21, which can be quickly fixed on the armrest 20, and is conveniently removed and carried around.

While the present invention has been described in its preferred embodiments, the present invention is not intended to be limited thereto, and the present invention may be modified and improved without departing from the spirit and scope of the invention. The scope of protection is defined by the terms of the claims.

Claims

A hand-held electric scooter is characterized in that: the pedal of the hand-held electric scooter, the front wheel bracket, the transition part of the connecting pedal and the front wheel strut, and the rear wheel fixing bracket are integrally formed.
The hand-held electric scooter according to claim 1, wherein the four parts of the pedal, the front wheel bracket, the connecting pedal, the front wheel strut transition portion, and the rear wheel fixing bracket are manufactured by a mold at one time.
The hand-held electric scooter according to claim 1, wherein a driver is placed in a space in a transition portion between the pedal and the front wheel bracket.
The hand-held electric scooter according to claim 3, wherein a battery compartment is disposed below the tray, the battery compartment is detachably replaced in the battery compartment, and a cover is disposed above the battery compartment. The plate and the pedal are sealed by a bonding material.
The hand-held electric scooter according to claim 4, wherein the wheel of the hand-held electric scooter adopts a hollow hub structure, the installation part of the hollow wheel hub adopts an eccentric design, and the hollow hub and the frame are mounted with a two-hole mounting structure. .
The hand-held electric scooter according to claim 5, wherein the rear hub and the rear hub of the hand-held electric scooter are mounted at an angle to the frame, and the installation range of the front wheel of the eccentric hub is rotated counterclockwise from the horizontal position. To the vertical position of 0° to 90°, the installation range of the eccentric hub rear wheel is rotated counterclockwise from the vertical position to 0° to 90° of the vertical position.
The hand-held electric scooter according to claim 6, wherein the hand-held electric scooter adopts a new mechanical brake system, and the new mechanical brake system uses a wheel end cover as a disc brake disc, and the brake system is integrated on the wheel. Separate from the frame.
A hand-held electric scooter according to claim 7, wherein the headlights and taillights of the hand-held electric scooter are integrated on the front and rear hubs, respectively, and the harness of the headlights or taillights is combined with the motor harness.
The hand-held electric scooter according to any one of claims 1 to 8, wherein the front wheel bracket of the hand-held electric scooter is mounted with a special-shaped rod, and the position of the pole on the shaped rod is wirelessly detachable. The display instrument is installed, and the display meter reads data from the drive through the wireless transmission scheme and displays it on the meter. The display meter only has the display function and the electronic lock function, and does not participate in the control.
The hand-held electric scooter according to claim 9, wherein an integrated shock absorber is disposed between the front wheel bracket and the special-shaped rod, and the bottom of the display instrument is designed with a buckle and is detachable by a buckle. The way is fixed on the pole.